From 57d9fd9bbc79e0bf7d642754f41390f17987d8cc Mon Sep 17 00:00:00 2001 From: Antonio Borneo Date: Mon, 23 Aug 2021 16:41:43 +0200 Subject: [PATCH] tcl: stm32mp13x: add target and board config files The stm32mp13x has one core Cortex-A7. The board Discovery Kit includes an on-board STLink-V3 with SWD connection. The webpage of the board is not active yet. Change-Id: I8836b26612a160ead79766955ebefaf3d21a329c Signed-off-by: Antonio Borneo Reviewed-on: https://review.openocd.org/c/openocd/+/6675 Tested-by: jenkins Reviewed-by: Tarek BOCHKATI --- tcl/board/stm32mp13x_dk.cfg | 10 ++++ tcl/target/stm32mp13x.cfg | 100 ++++++++++++++++++++++++++++++++++++ 2 files changed, 110 insertions(+) create mode 100644 tcl/board/stm32mp13x_dk.cfg create mode 100644 tcl/target/stm32mp13x.cfg diff --git a/tcl/board/stm32mp13x_dk.cfg b/tcl/board/stm32mp13x_dk.cfg new file mode 100644 index 0000000000..6993b1bc0f --- /dev/null +++ b/tcl/board/stm32mp13x_dk.cfg @@ -0,0 +1,10 @@ +# board MB1635x +# http://www.st.com/en/evaluation-tools/stm32mp135f-dk.html + +source [find interface/stlink-dap.cfg] + +transport select dapdirect_swd + +source [find target/stm32mp13x.cfg] + +reset_config srst_only diff --git a/tcl/target/stm32mp13x.cfg b/tcl/target/stm32mp13x.cfg new file mode 100644 index 0000000000..0c464b4116 --- /dev/null +++ b/tcl/target/stm32mp13x.cfg @@ -0,0 +1,100 @@ +# STMicroelectronics STM32MP13x (Single Cortex-A7) +# http://www.st.com/stm32mp1 + +# HLA does not support custom CSW nor AP other than 0 +if { [using_hla] } { + echo "ERROR: HLA transport cannot work with this target." + echo "ERROR: To use STLink switch to DAP mode, as in \"board/stm32mp13x_dk.cfg\"." + shutdown +} + +source [find target/swj-dp.tcl] + +if { [info exists CHIPNAME] } { + set _CHIPNAME $CHIPNAME +} else { + set _CHIPNAME stm32mp13x +} + +if { [info exists CPUTAPID] } { + set _CPUTAPID $CPUTAPID +} else { + if { [using_jtag] } { + set _CPUTAPID 0x6ba00477 + } else { + set _CPUTAPID 0x6ba02477 + } +} + +# Chip Level TAP Controller, only in jtag mode +if { [info exists CLCTAPID] } { + set _CLCTAPID $CLCTAPID +} else { + set _CLCTAPID 0x06501041 +} + +swj_newdap $_CHIPNAME tap -expected-id $_CPUTAPID -irlen 4 +if { [using_jtag] } { + jtag newtap $_CHIPNAME.clc tap -expected-id $_CLCTAPID -irlen 5 +} + +dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.tap -ignore-syspwrupack + +# NOTE: keep ap-num and dbgbase to speed-up examine after reset +# NOTE: do not change the order of target create +target create $_CHIPNAME.ap1 mem_ap -dap $_CHIPNAME.dap -ap-num 1 +target create $_CHIPNAME.axi mem_ap -dap $_CHIPNAME.dap -ap-num 0 +target create $_CHIPNAME.cpu cortex_a -dap $_CHIPNAME.dap -ap-num 1 -coreid 0 -dbgbase 0xE00D0000 + +$_CHIPNAME.cpu cortex_a maskisr on +$_CHIPNAME.cpu cortex_a dacrfixup on + +# interface does not work while srst is asserted +# this is target specific, valid for every board +# srst resets the debug unit, behavior equivalent to "srst_pulls_trst" +reset_config srst_gates_jtag srst_pulls_trst + +adapter speed 5000 +adapter srst pulse_width 200 +# bootrom has an internal timeout of 1 second for detecting the boot flash. +# wait at least 1 second to guarantee we are out of bootrom +adapter srst delay 1100 + +add_help_text axi_secure "Set secure mode for following AXI accesses" +proc axi_secure {} { + $::_CHIPNAME.dap apsel 0 + $::_CHIPNAME.dap apcsw 0x10006000 +} + +add_help_text axi_nsecure "Set non-secure mode for following AXI accesses" +proc axi_nsecure {} { + $::_CHIPNAME.dap apsel 0 + $::_CHIPNAME.dap apcsw 0x30006000 +} + +axi_secure + +proc dbgmcu_enable_debug {} { + # keep clock enabled in low-power + ## catch {$::_CHIPNAME.ap1 mww 0xe0081004 0x00000004} + # freeze watchdog 1 and 2 on core halted + catch {$::_CHIPNAME.ap1 mww 0xe008102c 0x00000004} + catch {$::_CHIPNAME.ap1 mww 0xe008104c 0x00000008} +} + +proc toggle_cpu_dbg_claim0 {} { + # toggle CPU0 DBG_CLAIM[0] + $::_CHIPNAME.ap1 mww 0xe00d0fa0 1 + $::_CHIPNAME.ap1 mww 0xe00d0fa4 1 +} + +# FIXME: most of handlers below will be removed once reset framework get merged +$_CHIPNAME.ap1 configure -event reset-deassert-pre { + adapter deassert srst deassert trst + catch {dap init} + catch {$::_CHIPNAME.dap apid 1} +} +$_CHIPNAME.cpu configure -event reset-deassert-pre {$::_CHIPNAME.cpu arp_examine} +$_CHIPNAME.cpu configure -event reset-deassert-post {toggle_cpu_dbg_claim0; dbgmcu_enable_debug} +$_CHIPNAME.ap1 configure -event examine-start {dap init} +$_CHIPNAME.ap1 configure -event examine-end {dbgmcu_enable_debug} -- 2.30.2